On Wed, Apr 20, 2022 at 06:23:26PM +0200, Laszlo Ersek wrote:
> Squash the patterns
> 
>   | None, None   -> ()
>   | Some _, None -> ()
> 
> into the identical
> 
>   | _, None -> ()
> 
> We preserve the behavior added by commit 2a576b7cc5c3 ("v2v: -o libvirt:
> Don't write only <vendor> without <model> (RHBZ#1591789).", 2018-06-21);
> the change only simplifies the code.
> 
> Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2076013
> Signed-off-by: Laszlo Ersek <[email protected]>
> ---
>  output/create_libvirt_xml.ml | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/output/create_libvirt_xml.ml b/output/create_libvirt_xml.ml
> index 36173e58cd6c..4e5bbceffabd 100644
> --- a/output/create_libvirt_xml.ml
> +++ b/output/create_libvirt_xml.ml
> @@ -162,55 +162,57 @@ let create_libvirt_xml ?pool source inspect
>  
>  
>    (match get_osinfo_id inspect with
>     | None -> ()
>     | Some osinfo_id ->
>       List.push_back_list body [
>         e "metadata" [] [
>           e "libosinfo:libosinfo" ["xmlns:libosinfo", 
> "http://libosinfo.org/xmlns/libvirt/domain/1.0";] [
>             e "libosinfo:os" ["id", osinfo_id] [];
>           ];
>         ];
>       ];
>    );
>  
>    let memory_k = source.s_memory /^ 1024L in
>    List.push_back_list body [
>      e "memory" ["unit", "KiB"] [PCData (Int64.to_string memory_k)];
>      e "currentMemory" ["unit", "KiB"] [PCData (Int64.to_string memory_k)];
>      e "vcpu" [] [PCData (string_of_int source.s_vcpu)]
>    ];
>  
>    if source.s_cpu_vendor <> None || source.s_cpu_model <> None ||
>       source.s_cpu_topology <> None then (
>      let cpu = ref [] in
>  
>      (match source.s_cpu_vendor, source.s_cpu_model with
> -     | None, None
> -     (* Avoid libvirt error: "CPU vendor specified without CPU model" *)
> -     | Some _, None -> ()
> +     | _, None ->
> +         (* This also avoids the libvirt error:
> +          * "CPU vendor specified without CPU model".
> +          *)
> +         ()
>       | None, Some model ->
>          List.push_back cpu (e "model" ["fallback", "allow"] [PCData model])
>       | Some vendor, Some model ->
>          List.push_back_list cpu [
>            e "vendor" [] [PCData vendor];
>            e "model" ["fallback", "allow"] [PCData model]
>          ]
>      );
>      (match source.s_cpu_topology with
>       | None -> ()
>       | Some { s_cpu_sockets; s_cpu_cores; s_cpu_threads } ->
>          let topology_attrs = [
>            "sockets", string_of_int s_cpu_sockets;
>            "cores", string_of_int s_cpu_cores;
>            "threads", string_of_int s_cpu_threads;
>          ] in
>          List.push_back cpu (e "topology" topology_attrs [])
>      );
>  
>      List.push_back_list body [ e "cpu" [ "match", "minimum" ] !cpu ]
>    );
>  
>    let uefi_firmware =
>      match target_firmware with
>      | TargetBIOS -> None
>      | TargetUEFI -> Some (find_uefi_firmware guestcaps.gcaps_arch) in

Reviewed-by: Richard W.M. Jones <[email protected]>

As an aside, your git includes a crazy large amount of context around
the changes ...  Is that a configuration change?

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
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